OT-2026-000006638
Publication integrity record
Vacuum cup gripper, pump fed, pressure verified, sustained blow off before set down, rubber cups
This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000006638) never changes.
Identity and time
| Publication number | OT-2026-000006638 · never reused |
|---|---|
| Internal UUID | 01a0a962-4628-712d-a074-a99f235d486b · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T08:43:05.131114Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000006638 |
| Status | PUBLIC |
Content hashes
| Canonical text | 391f7035eddabe21210ed293954b3748c8e325de9ed22716da87de816b114a8f |
|---|---|
| Markdown | 5fb7e969d8dc3d4689da08aabe1a303b2613ed72dc88108d4680ae947a56622c |
| Publication page | 9da891fc0b591b132a7f104f35b207d5c6737f5c41315287396a4e254903cfd1 |
| Manifest | ee141aa3bca2904c7344b7a04bbfb35037494cdf157b4954cd9cd078e5cc2e1c |
SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.
Manifest signature
| Algorithm | Ed25519 · key
OT-SIGN-2026-01 · Verified |
|---|---|
| Signature | HgxWDnJuh98HIqbY/9et4WGtQ+VUkFNCfe8ueD4PZvl/Rfk/z405mP0nghlqnB9Y+MR40iyVFt2h9Inl0qqWBA== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-16T08:47:03Z batch OT-TS-2026-W38-013 · RFC 3161 token · inclusion proof root e368e9c5ab06dc5cb1b0682dd54c11f5... |
|---|
Independent retrieval
| 2026-09-16T08:50:22.482119Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000006638observed 9da891fc0b591b132a7f104f35b207d5...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T08:50:22.470143Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000006638/manifest.jsonobserved ee141aa3bca2904c7344b7a04bbfb350...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T08:50:22.458641Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000006638/publication.mdobserved 5fb7e969d8dc3d4689da08aabe1a303b...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T08:50:22.446682Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000006638/publication.txtobserved 391f7035eddabe21210ed293954b3748...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.
Independent archive
| External archive | Pending Canonical URLs are submitted to an independent archive in batches. |
|---|
A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.
Third-party custody
| Custody package | Pending Custody packages are produced weekly. |
|---|